{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["time", "victim", "place", "attack pattern", "price", "tool", "payment method", "attacker", "damage amount"]}], "input": "The details are somewhat slim for now , but hackers reportedly used the SamSam ransomware and demand around $ 51,000 in Bitcoin to unlock the city ’s seized computers ."}
{"ransom": [{"time": "NAN", "victim": ["seized computers", "city"], "place": "NAN", "attack pattern": "used the SamSam ransomware", "price": "$ 51,000", "tool": "NAN", "payment method": "in Bitcoin", "attacker": "hackers", "damage amount": "NAN"}]}